| 摘要 |
The present invention relates to a concrete gutter element according to the main patent. According to the invention, by virtue of sleeve tubes 11 distributed along the length of each reinforcement 4 or 5, it is possible both to fix the end 7a of a bow (arc) 7 to the reinforcement, in the section 11b of the sleeve tube and to fix the grate 10 by a screw 12 located in the section 11a of the same sleeve tube. <IMAGE>
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